Advertisements
Advertisements
Question
Using trigonometric table evaluate the following:
tan 78°55' - tan 55°18'
Solution
tan 78°55' - tan 55°18'
= 5.097 - 1.444
= 3.653.
APPEARS IN
RELATED QUESTIONS
Without using trigonometric tables, evaluate :
`tan 27^circ/cot 63^circ`
Without using trigonometric tables, evaluate :
`("cosec" 42^circ)/sec 48^circ`
Without using trigonometric tables, evaluate :
`cot 38^circ/tan 52^circ`
Prove that:
\[\frac{\sin\theta}{\cos(90° - \theta)} + \frac{\cos\theta}{\sin(90° - \theta)} = 2\]
Prove that:
\[\frac{\sin\theta \cos(90^\circ - \theta)\cos\theta}{\sin(90^\circ- \theta)} + \frac{\cos\theta \sin(90^\circ - \theta)\sin\theta}{\cos(90^\circ - \theta)}\]
Prove that:
cos1° cos2° cos3° ... cos180° = 0
From trigonometric table, write the values of sin 37°19'.
Using trigonometric table evaluate the following:
tan 25°45' + cot 45°25'.
Using trigonometric table evaluate the following:
sin 64°42' + cos 42°20'
`(sin 20°50' + tan 67°40')/(cos 32°20' - sin 15°10')`
